Title:
SEAL STRUCTURE AND SHIP PROPULSION UNIT
Document Type and Number:
Japanese Patent JP2023041476
Kind Code:
A
Abstract:
To provide a seal structure configured separately by a seal to prevent oil spillage and by a seal to prevent the seawater from entering, and to provide a ship propulsion unit with the seal structure.SOLUTION: A seal structure 20 is attached to a driving shaft connected to a ship driving unit. The seal structure comprises a seal unit 21 for the seawater to prevent the seawater from entering, and a seal unit 25 for a lubricating oil placed above the seal unit 21 for the seawater via a prescribed space SP and to prevent an oil spillage from the driving unit. At least the seal unit 25 for the lubrication oil is placed in the ship.SELECTED DRAWING: Figure 3
Inventors:
FUJII KEITA
OKADA YUDAI
TAKEDA ATSUSHI
SUGIHARA AKIMITSU
OKADA YUDAI
TAKEDA ATSUSHI
SUGIHARA AKIMITSU
Application Number:
JP2021148873A
Publication Date:
March 24, 2023
Filing Date:
September 13, 2021
Export Citation:
Assignee:
NAKASHIMA PROPELLER CO LTD
International Classes:
B63H23/36; F16J15/16; F16J15/3296
Attorney, Agent or Firm:
Patent Attorney Corporation Yanouchi Foreign Patent Office
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